찬들의 주산 암산

21회 4 급 승 산 4 급 제 산 1 986 × 6,048 = 5,963,328 1 77,274 ÷ 159 = 486 2 48 × 39,612 = 1,901,376 2 452,315 ÷ 61 = 7,415 3 7,059 × 871 = 6,148,389 3 185,640 ÷ 364 = 510 4 270 × 5,876 = 1,586,520 4 245,440 ÷ 3,068 = 80 5 98,315 × 89 = 8,750,035 5 211,253 ÷ 721 = 293 6 5,398 × 819 = 4,420,962 6 517,731 ÷ 57 = 9,083 7 451 × 3,526 = 1,590,226 7 47,320 ÷ 280 = 16..

19회 4 급 승 산 4 급 제 산 1 1,926 × 867 = 1,669,842 1 223,036 ÷ 74 = 3,014 2 428 × 8,254 = 3,532,712 2 821,950 ÷ 967 = 850 3 17 × 45,731 = 777,427 3 549,225 ÷ 7,323 = 75 4 3,408 × 109 = 371,472 4 408,816 ÷ 501 = 816 5 503 × 2,097 = 1,054,791 5 519,064 ÷ 62 = 8,372 6 20,659 × 43 = 888,337 6 293,562 ÷ 846 = 347 7 2,865 × 231 = 661,815 7 273,802 ÷ 8,053 = 34 8 3..

17회 4 급 승 산 4 급 제 산 1 95 × 73,908 = 7,021,260 1 460,192 ÷ 6,304 = 73 2 590 × 4,137 = 2,440,830 2 23,400 ÷ 156 = 150 3 1,594 × 534 = 851,196 3 287,560 ÷ 79 = 3,640 4 76,235 × 59 = 4,497,865 4 90,537 ÷ 309 = 293 5 137 × 5,803 = 795,011 5 185,886 ÷ 2,694 = 69 6 6,402 × 468 = 2,996,136 6 362,417 ÷ 517 = 701 7 37 × 31,042 = 1,148,554 7 108,286 ÷ 58 = 1,867 8..

15회 4 급 승 산 4 급 제 산 1 140 × 9,802 = 1,372,280 1 145,270 ÷ 365 = 398 2 27,695 × 73 = 2,021,735 2 189,945 ÷ 63 = 3,015 3 7,803 × 187 = 1,459,161 3 516,100 ÷ 794 = 650 4 538 × 1,658 = 892,004 4 261,580 ÷ 6,380 = 41 5 41 × 84,207 = 3,452,487 5 720,054 ÷ 981 = 734 6 1,296 × 372 = 482,112 6 307,280 ÷ 40 = 7,682 7 412 × 6,041 = 2,488,892 7 40,500 ÷ 250 = 162 8..

13회 4 급 승 산 4 급 제 산 1 274 × 7,028 = 1,925,672 1 328,240 ÷ 40 = 8,206 2 7,859 × 926 = 7,277,434 2 213,282 ÷ 306 = 697 3 47,189 × 23 = 1,085,347 3 345,156 ÷ 4,109 = 84 4 106 × 6,154 = 652,324 4 74,160 ÷ 412 = 180 5 6,230 × 350 = 2,180,500 5 93,432 ÷ 68 = 1,374 6 79 × 30,945 = 2,444,655 6 165,158 ÷ 658 = 251 7 561 × 3,972 = 2,228,292 7 350,220 ÷ 5,837 = 60..

11회 4 급 승 산 4 급 제 산 1 72 × 27,486 = 1,978,992 1 575,739 ÷ 8,109 = 71 2 5,276 × 950 = 5,012,200 2 115,320 ÷ 310 = 372 3 320 × 2,063 = 660,160 3 230,625 ÷ 75 = 3,075 4 60,739 × 13 = 789,607 4 698,472 ÷ 872 = 801 5 3,629 × 724 = 2,627,396 5 456,780 ÷ 4,965 = 92 6 487 × 1,745 = 849,815 6 450,188 ÷ 964 = 467 7 86 × 80,927 = 6,959,722 7 231,084 ÷ 36 = 6,419 8..

9회 4 급 승 산 4 급 제 산 1 872 × 2,354 = 2,052,688 1 218,990 ÷ 359 = 610 2 38 × 41,759 = 1,586,842 2 255,535 ÷ 35 = 7,301 3 4,170 × 521 = 2,172,570 3 302,874 ÷ 706 = 429 4 160 × 4,897 = 783,520 4 240,758 ÷ 8,302 = 29 5 81,296 × 41 = 3,333,136 5 113,355 ÷ 687 = 165 6 9,728 × 917 = 8,920,576 6 179,895 ÷ 67 = 2,685 7 762 × 5,160 = 3,931,920 7 648,869 ÷ 923 = 703..

7회 4 급 승 산 4 급 제 산 1 85 × 38,652 = 3,285,420 1 572,110 ÷ 70 = 8,173 2 160 × 3,068 = 490,880 2 264,872 ÷ 904 = 293 3 61,289 × 65 = 3,983,785 3 789,694 ÷ 8,401 = 94 4 3,520 × 825 = 2,904,000 4 269,310 ÷ 382 = 705 5 743 × 7,592 = 5,640,856 5 531,885 ÷ 59 = 9,015 6 94 × 60,513 = 5,688,222 6 582,692 ÷ 697 = 836 7 215 × 4,680 = 1,006,200 7 97,405 ÷ 2,783 = 35..

5회 4 급 승 산 4 급 제 산 1 19 × 50,718 = 963,642 1 275,691 ÷ 7,069 = 39 2 134 × 2,543 = 340,762 2 61,950 ÷ 413 = 150 3 70,523 × 19 = 1,339,937 3 318,640 ÷ 35 = 9,104 4 3,592 × 958 = 3,441,136 4 103,680 ÷ 240 = 432 5 957 × 4,019 = 3,846,183 5 245,467 ÷ 5,987 = 41 6 27 × 64,039 = 1,729,053 6 294,190 ÷ 365 = 806 7 9,137 × 602 = 5,500,474 7 255,595 ÷ 97 = 2,635 8..

3회 4 급 승 산 4 급 제 산 1 512 × 5,319 = 2,723,328 1 402,948 ÷ 702 = 574 2 26 × 41,820 = 1,087,320 2 622,311 ÷ 69 = 9,019 3 3,017 × 751 = 2,265,767 3 206,739 ÷ 513 = 403 4 827 × 6,174 = 5,105,898 4 322,368 ÷ 3,504 = 92 5 37,489 × 82 = 3,074,098 5 434,304 ÷ 928 = 468 6 5,806 × 603 = 3,501,018 6 134,960 ÷ 80 = 1,687 7 405 × 3,052 = 1,236,060 7 175,440 ÷ 340 = 5..